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PDF Signet is a desktop application compatible with computers running the Mac operating system. The app comes sized at nearly 13 MB and requires your computer to be running version 10.7 or later of Mac OS X along with a 64 bit processor. The function of this nifty desktop application is to add digital signatures to your PDF documents. The app lets you use “Keychain” certificates (from the Mac OS) to digitally sign the PDF files that you have.

You can easily sign a PDF using your X.509 without any hassle whatsoever. To verify a signature, the process is even simpler than signing a PDF – all you have to do is drag and drop the to-be-verified PDF documents into the application’s window. This action quickly verifies and validates the signatures that are present on the document.

A bonus feature of the application is to let you automatically sign a PDF file as you are creating them – a feature many users will surely appreciate.

sign pdf documents mac

PDF Signet is available from the Mac App Store for $6.99. While this price is definitely an economical one, given the features of the application, you can still get the application for free, thanks to the generosity of its developers – they have offered 20 free promo codes to the first people who comment on this MakeUseOf post and share it on Facebook or Twitter.

pdfsignet

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Features:

  • A user friendly desktop app.
  • Compatible with Mac computers.
  • Lets you digitally sign PDF documents using Keychain certificates.
  • Can verify and validate signatures in a PDF file.

Check out PDF Signet @ http://pdfsignet.com

  1. Miguel
    August 28, 2013 at 10:29 am

    Exactly what I need! Can’t wait to try it out.

  2. K K Pathak
    August 22, 2013 at 7:29 am

    pdf signet very good software for addng digital certificate to a document

  3. Tomita Sebastian
    August 16, 2013 at 10:19 pm

    I would love this app. Thank you.

  4. Vivian
    July 1, 2013 at 7:20 am

    Seems like a really interesting app. I'd love a code too if they are still left! By the way this website is so amazing, I'm learning a new stuff every day I come back ;)

  5. Scott Eisenhuth
    June 8, 2013 at 3:24 pm

    Wow, this looks like a great app. Can't wait to try it out.

  6. Joe
    June 2, 2013 at 5:30 pm

    Hi Can I get a free promo code to the first people who comment on this MakeUseOf post and already shared it on Twitter. @mahinthjoe

  7. Nathaniel de Pano
    June 2, 2013 at 1:37 pm

    I could definitely use this in my business! Please include me in the promo!

  8. ChrisHouseStark
    June 2, 2013 at 12:04 pm

    This would be a very nifty program to own.

  9. Lxs
    June 2, 2013 at 11:30 am

    undoubtedly handy for doc authoring for those concerned with identification of source and trusted attribution

  10. Oscar Schade
    June 2, 2013 at 11:24 am

    Should be very handy! Love to recieve a free copy of these guys. Thnx!

  11. Vladimir Ivanov Patev
    June 2, 2013 at 11:14 am

    Nice App, want to test :)

  12. Lxs
    June 2, 2013 at 11:07 am

    Smart app. Now to build up Mac resources to be able to use on my current secure document authoring! ;o)

  13. Pongsakorn U-chupala
    May 26, 2013 at 4:50 am

    Sound interesting. I may have some use for app like this. :D

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